Used as a preservative in food, beverages, and wine to prevent the growth of mold, yeast, and fungi. Extends shelf life without altering taste or aroma. Common in cheese, yogurt, baked goods, and salad dressings. Also found in cosmetics and personal care products to maintain product stability and prevent microbial contamination. Effective in acidic environments, making it ideal for use in carbonated drinks and fruit-based products.